On Sat, Dec 29, 2012 at 11:34:09AM +0700, Nguyen Thai Ngoc Duy wrote:
> On Sat, Dec 29, 2012 at 7:41 AM, Jeff King <p...@peff.net> wrote:
> > I wonder if we could do even better, though. For a traversal, we only
> > need to look at the commit header. We could potentially do a progressive
> > inflate and stop before getting to the commit message (which is the bulk
> > of the data, and the part that is most likely to benefit from
> > compression).
> Commit cache should solve this efficiently as it also eliminates
> parsing cost. We discussed this last time as a side topic of the
> reachability bitmap feature.
I agree that a commit cache would solve this (though it can not help the
tree traversal). But just dropping the compression (or doing partial
decompression when we only care about the beginning part) is way less
code and complexity. There's no cache to manage.
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